CN202166725U - Low-voltage test control system - Google Patents
Low-voltage test control system Download PDFInfo
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- CN202166725U CN202166725U CN2011202683832U CN201120268383U CN202166725U CN 202166725 U CN202166725 U CN 202166725U CN 2011202683832 U CN2011202683832 U CN 2011202683832U CN 201120268383 U CN201120268383 U CN 201120268383U CN 202166725 U CN202166725 U CN 202166725U
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Abstract
The utility model relates to a low-voltage test control system, which is used for testing an object to be tested. The object to be tested includes a low-voltage contactor or a low-voltage breaker to be tested. The test control system includes a test control portion and a power supply portion, wherein the test control portion includes a man-machine interface, a controller, a switch and an intermediate relay. By employing the low-voltage test control system provided in the utility model, a plurality types of tests can be performed on a plurality of objects simultaneously, thereby the test efficiency is raised, and the lab investment is reduced. In addition, because the intermediate relay is employed between an object to be tested and the controller, when the object to be tested has a fault, no influence is generated to the test control system, and simultaneously, the safety of the operation personnel is guaranteed.
Description
Technical field
The application relates to a kind of experiment control system, particularly a kind of low pressure test (LPT) control system.
Background technology
Lv contactor and low-voltage circuit breaker all are to use switchgear very widely in the low-voltage electrical apparatus.Lv contactor is the major equipment that is used for remote connection continually or disjunction AC and DC circuit, and its major control is to liking motor and electrical load.For guaranteeing to connect reliably and disjunction, require it to have higher performance.And low-voltage circuit breaker is a kind of not only can the connection and disjunction normal load electric current and overload electric current, can also connect the device for switching with the disjunction short-circuit current.Low-voltage circuit breaker in circuit except that control with, also have the certain protection function, like overload, short circuit, under-voltage and earth leakage protection etc.
Lv contactor, the electric life of low-voltage circuit breaker and the correlation technique requirement of operating performance test have been stipulated in the present national standard.This test is the test of tested lv contactor or low-voltage circuit breaker being carried out electric life and operating performance through control system.Electric life that lv contactor and low-voltage circuit breaker are carried out and operating performance test have the loop switch frequent, the test period is long, to characteristics such as test loop and control system reliability requirement height.
In the prior art; In the control system of electric life that lv contactor, low-voltage circuit breaker are carried out and operating performance test; Control system directly is connected with lv contactor or low-voltage circuit breaker to be tested, in case product to be tested breaks down, causes the damage of The whole control system easily.In addition, existing control system only can design a certain test to lv contactor or low-voltage circuit breaker, the for example electric life AC-3 of lv contactor test, and can not utilize same control system to carry out dissimilar tests.Caused the problem that the control system utilization factor is low, testing laboratory's cost increases like this.
The utility model content
Provide brief overview hereinafter, so that the basic comprehension about some aspect of the utility model is provided about the utility model.Should be appreciated that this general introduction is not the exhaustive general introduction about the utility model.It is not key or the pith that intention is confirmed the utility model, neither be intended to limit the scope of the utility model.Its purpose only is to provide some notion with the form of simplifying, with this as the preorder in greater detail of argumentation after a while.
A fundamental purpose of the utility model provides a kind of low pressure test (LPT) control system, and this control system is kept apart control section and product to be tested, damages to prevent the control section that the product to be tested fault causes.And this control system can be carried out lv contactor AC-3, the test of AC-4 operating performance, low-voltage circuit breaker operating performance and electrical endurance test simultaneously.
According to an aspect of the utility model, a kind of low pressure test (LPT) control system is used for test product is made an experiment, and said test product comprises lv contactor to be tested or low-voltage circuit breaker.Experiment control system comprises test control section and power unit, and wherein: the test control section comprises man-machine interface, controller, switch and auxiliary reclay; Man-machine interface communicates through switch and said controller, to transmit control signal to controller; Controller is used for the control signal that receives is generated steering order, and steering order is issued to each test product, receives the status information of being sent by each test product and the status information that receives is fed back to said man-machine interface; Auxiliary reclay is connected between controller and the test product, is used for isolation controller and test product; Power unit is used for respectively to testing man-machine interface, controller, the power supply for exchange of control section.
Further, controller comprises digital quantity input/output module and interface module, and wherein, interface module receives the control signal by said man-machine interface input.The digital quantity input/output module generates steering order with control signal.The digital quantity input/output module has the many group passage corresponding with a plurality of test products; Each passage sends the status information and the smog alarm information of instructing, receiving corresponding test product to the test product of correspondence, and status information and smog alarm information are transferred to said man-machine interface through said interface module.
Further, controller also comprises the digital quantity expansion module, is used to insert test support equipment.
Further, controller also comprises RCI, is used to receive the control signal of being sent to said controller by remote control computer.
Further, man-machine interface comprises test loop monitoring module and control signal transport module, wherein:
Said test loop monitoring module is used to receive the status information and the smog alarm information of said controller feedback; The control signal transport module is used to receive the said steering order from the outside input, and steering order is transferred to controller.
Further, the low pressure test (LPT) control system comprises the control system panel, and man-machine interface is installed on the control system panel.
Further, power unit comprises uninterrupted power source, panel box and 24 volts of control of direct current power supply, and wherein: uninterrupted power source is used for controller is supplied power; Panel box is used for each test product is supplied power; 24 volts of control of direct current power supply is used for switch and man-machine interface are supplied power.
Further, power unit also comprises power light, experiment control system lighting module, ventilation module and temperature controller.
Adopt the low pressure test (LPT) control system of the utility model, can carry out polytype test to a plurality of test products simultaneously, for example, can make an experiment to 6 lv contactors or low-voltage circuit breaker simultaneously, thereby improve test efficiency, the investment of reduction testing laboratory.On the other hand; Owing to isolate with auxiliary reclay between test product and the controller; And under the situation that test product breaks down or smog exceeds standard, stop test and send alerting signal; Make when the test product fault, can not impact, also ensured operating personnel's safety simultaneously experiment control system itself.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing, can understand the above of the utility model and other purpose, characteristics and advantage to the utility model embodiment with being more prone to.Parts in the accompanying drawing are just in order to illustrate the principle of the utility model.In the accompanying drawings, identical or similar techniques characteristic or parts will adopt identical or similar Reference numeral to represent.
Fig. 1 is the synoptic diagram of a kind of embodiment of low pressure test (LPT) control system of the utility model.
Fig. 2 is the structural drawing of the controller among Fig. 1.
Fig. 3 is the structural drawing of the man-machine interface among Fig. 1.
Fig. 4 is the structural drawing of the power unit among Fig. 1.
Wherein:
10--tests control section;
The 20--power unit;
The 11--controller;
The 12--switch;
The 13--man-machine interface;
The 14--auxiliary reclay;
111--digital quantity input/output module;
The 112--interface module;
The 113--RCI;
131--test loop monitoring module;
132--control signal transport module;
The 201--uninterrupted power source;
The 202--panel box;
24 volts of control of 203--direct current power supply;
The 204--power light;
205--experiment control system lighting module;
The 206--ventilation module;
The 207--temperature controller.
Embodiment
The embodiment of the utility model is described with reference to the accompanying drawings.Element and the characteristic in the accompanying drawing of the utility model or a kind of embodiment, described can combine with element and the characteristic shown in one or more other accompanying drawing or the embodiment.Should be noted that for purpose clearly, omitted and the utility model parts irrelevant, that those of ordinary skills are known and the expression and the description of processing in accompanying drawing and the explanation.
Referring to Fig. 1, be the low pressure test (LPT) control system of a kind of embodiment of the utility model.This experiment control system is used for test product is made an experiment; Test product comprises lv contactor to be tested or low-voltage circuit breaker.
This experiment control system comprises test control section 10 and power unit 20; Test control section 10 can be arranged in the test control cabinet with power unit 20; For example, the test control section can be placed on the upper strata of test control cabinet, and power unit 20 can be placed on the lower floor of test control cabinet.Wherein, test control section 10 comprises controller 11, switch 12, man-machine interface 13 and auxiliary reclay 14.Man-machine interface 13 communicates through switch 12 and controller 11, to transmit control signal to controller 11; Controller 11 is used for the control signal that receives is generated steering order, and steering order is issued to test product, receives the status information of being sent by test product and the status information that receives is fed back to man-machine interface 13.In an example, controller 11 can be Programmable Logic Controller (PLC).Control signal can comprise test type, test sequence and testing cycle number of times etc.
Auxiliary reclay 14 is connected between controller 11 and the test product, is used for isolation controller 11 and test product.The contact voltage and the capacity of auxiliary reclay 14 can satisfy FR trial voltage, and the operating frequency of auxiliary reclay 14 can satisfy the requirement of maximum test operation frequency, and for example: per hour operating frequency is greater than 300 times.The maximum operating frequency of auxiliary reclay 14 can reach per hour 3600 times.
When experiment control system was tested test product, test product was generally formed the test product loop with disconnector, protective breaker, operation contactor etc., and then is connected with auxiliary reclay 14.
Referring to Fig. 2, be the structural drawing of a kind of embodiment of the controller in the low pressure test (LPT) control system of the utility model.Optional, controller 11 comprises digital quantity input/output module 111 and interface module 112.Wherein, interface module 112 is used for communicating through switch and man-machine interface 13.Interface module 112 receives the control information of being transmitted by man-machine interface 13, and this control information is input in the digital quantity input/output module 111; Digital quantity input/output module 111 generates steering order with this control information again.Digital quantity input/output module 111 has the many group passage corresponding with a plurality of test products, and every group of passage is to corresponding with it test product sending controling instruction.Every group of passage of digital quantity input/output module 111 also receives the status information and the smog alarm information of each test product, and status information and smog alarm information are transferred in the man-machine interface 13 through interface module 112.
Optional, controller 11 also comprises RCI 113.Through this RCI 113, can receive the control signal of sending to controller 11 by remote control computer.Optional, this RCI 113 is a serial bus interface.
Optional, controller 11 also comprises digital quantity expansion module (not shown), is used to insert test support equipmenies such as high-speed camera.
Referring to Fig. 3, be the structural drawing of the man-machine interface 13 in the low pressure test (LPT) control system of the utility model.Man-machine interface 13 comprises test loop monitoring module 131 and control signal transport module 132.Wherein, test loop monitoring module 131 is used to receive status information and the smog alarm information of each test product of controller 11 transmission, when status information and smog alarm information show that test product fault or smog exceed standard, stops to test and sending alerting signal.Control signal transport module 132 is used to receive the steering order from the outside input, and the steering order that receives is transferred to controller 11.
The low pressure test (LPT) control system of the utility model comprises the control system panel, and man-machine interface 13 is installed on the control system panel, so that experimenter's input control order and obtain the status information and the smog alarm information of test product.
Man-machine interface 13 can connect color liquid crystal screen, and screen size is greater than 5.7 inches.
Referring to Fig. 4, be the structural drawing of the power unit 20 in the low pressure test (LPT) control system of the utility model.Power unit can provide direct current 24V, exchange common voltages such as 24V, direct current 48V, alternating current 220V, interchange 380V, can also provide direct current 0～220V to be in harmonious proportion and exchange the adjustable voltage of 0～380V.The capacity of power unit is greater than 1000 volt-amperes, thereby satisfies the demand of control section and test product.
Preferably, power unit 20 also comprises power light 204, experiment control system lighting module 205, ventilation module 206 and temperature controller 207.
The low pressure test (LPT) control system of the utility model can be carried out multiple test to 6 lv contactors or low-voltage circuit breaker simultaneously, for example: lv contactor AC-3, AC-4 and operating performance test, and low-voltage circuit breaker operating performance, electric life etc.Simultaneously; Between controller and test product, isolate through auxiliary reclay; Under the situation that test product breaks down or smog exceeds standard, stop test and send alerting signal, make the fault of working as test product not impact, ensured operating personnel's safety simultaneously experiment control system itself.
Though specified the utility model and advantage thereof, be to be understood that and under situation about not exceeding, can carry out various changes, substitute and conversion the spirit of appended the utility model that claim limited and scope.And the application's scope is not limited only to the specific embodiment of the described process of instructions, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from the disclosure of the utility model, can use according to the utility model and carry out and process, equipment, means, method or step said essentially identical function of corresponding embodiment or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended in their scope, comprise such process, equipment, means, method or step.
Claims (8)
1. a low pressure test (LPT) control system is used for test product is made an experiment, and said test product comprises lv contactor to be tested or low-voltage circuit breaker; It is characterized in that: said experiment control system comprises test control section and power unit, wherein:
The test control section comprises man-machine interface, controller, switch and auxiliary reclay; Said man-machine interface communicates through switch and said controller, to transmit control signal to controller;
Said controller is used for the control signal that receives is generated steering order and said steering order is issued to each test product, receives the status information of being sent by each test product and the status information that receives is fed back to said man-machine interface;
Said auxiliary reclay is connected between said controller and the said test product, is used to isolate said controller and said test product;
Said power unit is used for respectively man-machine interface, controller, the power supply for exchange to said test control section.
2. low pressure test (LPT) control system according to claim 1 is characterized in that:
Said controller comprises digital quantity input/output module and interface module, wherein:
Said interface module receives the control signal by said man-machine interface input;
Said digital quantity input/output module generates steering order with said control signal; Said digital quantity input/output module has the many group passage corresponding with a plurality of said test products; Each said passage sends the status information and the smog alarm information of instructing, receiving corresponding test product to the test product of correspondence, and said status information and smog alarm information are transferred to said man-machine interface through said interface module.
3. low pressure test (LPT) control system according to claim 2 is characterized in that: said controller also comprises the digital quantity expansion module, is used to insert test support equipment.
4. low pressure test (LPT) control system according to claim 2 is characterized in that: said controller also comprises RCI, is used to receive the control signal of being sent to said controller by remote control computer.
5. low pressure test (LPT) control system according to claim 1 is characterized in that: said man-machine interface comprises test loop monitoring module and control signal transport module, wherein:
Said test loop monitoring module is used to receive the status information and the smog alarm information of said controller feedback;
Said control signal transport module is used to receive the said steering order from the outside input, and said steering order is transferred to said controller.
6. low pressure test (LPT) control system according to claim 1 is characterized in that: said low pressure test (LPT) control system comprises the control system panel, and said man-machine interface is installed on the said control system panel.
7. low pressure test (LPT) control system according to claim 1 is characterized in that: said power unit comprises uninterrupted power source, panel box and 24 volts of control of direct current power supply, wherein:
Said uninterrupted power source is used for said controller is supplied power;
Said panel box is used for each said test product is supplied power;
24 volts of control of said direct current power supply is used for said switch and man-machine interface are supplied power.
8. low pressure test (LPT) control system according to claim 7 is characterized in that: said power unit also comprises power light, experiment control system lighting module, ventilation module and temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202683832U CN202166725U (en) | 2011-07-27 | 2011-07-27 | Low-voltage test control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202683832U CN202166725U (en) | 2011-07-27 | 2011-07-27 | Low-voltage test control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166725U true CN202166725U (en) | 2012-03-14 |
Family
ID=45802542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202683832U Expired - Fee Related CN202166725U (en) | 2011-07-27 | 2011-07-27 | Low-voltage test control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635153A (en) * | 2015-02-07 | 2015-05-20 | 福州大学 | Low-voltage circuit breaker feature test analysis platform |
| CN107831435A (en) * | 2017-12-01 | 2018-03-23 | 北京中车赛德铁道电气科技有限公司 | A kind of visual Simulation device for vacuum circuit breaker operating mechanism performance test |
-
2011
- 2011-07-27 CN CN2011202683832U patent/CN202166725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635153A (en) * | 2015-02-07 | 2015-05-20 | 福州大学 | Low-voltage circuit breaker feature test analysis platform |
| CN104635153B (en) * | 2015-02-07 | 2017-06-06 | 福州大学 | Low-voltage circuit breaker characteristic test analysis platform |
| CN107831435A (en) * | 2017-12-01 | 2018-03-23 | 北京中车赛德铁道电气科技有限公司 | A kind of visual Simulation device for vacuum circuit breaker operating mechanism performance test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20180727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |